Glucose sensor



FIG. 1 is a top perspective view of a glucose sensor according to our new design;

FIG. 2 is a top plan view of the embodiment shown in FIG. 1;

FIG. 3 is a bottom plan view of the embodiment shown in FIGS. 1-2;

FIG. 4 is a side elevational view of the embodiment shown in FIGS. 1-3;

FIG. 5 is an opposite side elevational view of the embodiment shown in FIGS. 1-4;

FIG. 6 is a front elevational view of the embodiment shown in FIGS. 1-5; and,

FIG. 7 is a rear elevational view of the embodiment shown in FIGS. 1-6. 

The ornamental design for a glucose sensor, as shown and described. 